diff --git a/server/src/main/java/cn/keking/utils/ConvertPicUtil.java b/server/src/main/java/cn/keking/utils/ConvertPicUtil.java
deleted file mode 100644
index f00761d6..00000000
--- a/server/src/main/java/cn/keking/utils/ConvertPicUtil.java
+++ /dev/null
@@ -1,133 +0,0 @@
-package cn.keking.utils;
-
-import cn.keking.config.ConfigConstants;
-import cn.keking.service.FileHandlerService;
-import cn.keking.web.filter.BaseUrlFilter;
-import com.itextpdf.text.Document;
-import com.itextpdf.text.Image;
-import com.itextpdf.text.io.FileChannelRandomAccessSource;
-import com.itextpdf.text.pdf.PdfWriter;
-import com.itextpdf.text.pdf.RandomAccessFileOrArray;
-import com.itextpdf.text.pdf.codec.TiffImage;
-import org.apache.commons.imaging.Imaging;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.imageio.ImageIO;
-import java.awt.image.BufferedImage;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.RandomAccessFile;
-import java.nio.channels.FileChannel;
-import java.util.ArrayList;
-import java.util.List;
-
-public class ConvertPicUtil {
-
-    private static final int FIT_WIDTH = 500;
-    private static final int FIT_HEIGHT = 900;
-    private final static Logger logger = LoggerFactory.getLogger(ConvertPicUtil.class);
-    private final static String fileDir = ConfigConstants.getFileDir();
-    /**
-     * Tif 转  JPG。
-     *
-     * @param strInputFile  输入文件的路径和文件名
-     * @param strOutputFile 输出文件的路径和文件名
-     * @return boolean 是否转换成功
-     */
-    public static List<String> convertTif2Jpg(String strInputFile, String strOutputFile, boolean forceUpdatedCache) throws Exception {
-        List<String> listImageFiles = new ArrayList<>();
-        String baseUrl = BaseUrlFilter.getBaseUrl();
-        strOutputFile = strOutputFile.substring(0, strOutputFile.lastIndexOf('.'));
-
-        File tiffFile = new File(strInputFile);
-        if (!tiffFile.exists()) {
-            logger.info("找不到文件【{}】", strInputFile);
-            return null;
-        }
-
-        File outputDir = new File(strOutputFile);
-        if (!outputDir.exists() && !outputDir.mkdirs()) {
-            throw new IOException("创建目录失败: " + strOutputFile);
-        }
-
-        List<BufferedImage> images;
-        try {
-            images = Imaging.getAllBufferedImages(tiffFile);
-            for (int i = 0; i < images.size(); i++) {
-                String fileName = strOutputFile + File.separator + i + ".jpg";
-                File outputFile = new File(fileName);
-
-                // 如果需要强制更新缓存或者文件不存在，则转换
-                if (forceUpdatedCache || !outputFile.exists()) {
-                    BufferedImage image = images.get(i);
-                    // 写入JPG格式
-                    boolean success = ImageIO.write(image, "png", outputFile);
-                    if (!success) {
-                        throw new IOException("无法写入JPG格式图片: " + fileName);
-                    }
-                    logger.debug("转换图片: {}", fileName);
-                } else {
-                    logger.debug("使用缓存图片: {}", fileName);
-                }
-
-                // 构建URL
-                String relativePath = fileName.replace(fileDir, "");
-                String url = baseUrl + WebUtils.encodeFileName(relativePath);
-                listImageFiles.add(url);
-            }
-        } catch (IOException e) {
-            if (!e.getMessage().contains("Only sequential, baseline JPEGs are supported at the moment")) {
-                logger.error("TIF转JPG异常，文件路径：{}", strInputFile, e);
-            }
-            throw new Exception(e);
-        }
-        return listImageFiles;
-    }
-
-
-    /**
-     * 将Jpg图片转换为Pdf文件
-     *
-     * @param strJpgFile 输入的jpg的路径和文件名
-     * @param strPdfFile 输出的pdf的路径和文件名
-     */
-    public static String convertJpg2Pdf(String strJpgFile, String strPdfFile) throws Exception {
-        Document document = new Document();
-        RandomAccessFileOrArray rafa = null;
-        FileOutputStream outputStream = null;
-        try {
-            RandomAccessFile aFile = new RandomAccessFile(strJpgFile, "r");
-            FileChannel inChannel = aFile.getChannel();
-            FileChannelRandomAccessSource fcra =  new FileChannelRandomAccessSource(inChannel);
-            rafa = new RandomAccessFileOrArray(fcra);
-            int pages = TiffImage.getNumberOfPages(rafa);
-            outputStream = new FileOutputStream(strPdfFile);
-            PdfWriter.getInstance(document, outputStream);
-            document.open();
-            Image image;
-            for (int i = 1; i <= pages; i++) {
-                image = TiffImage.getTiffImage(rafa, i);
-                image.scaleToFit(FIT_WIDTH, FIT_HEIGHT);
-                document.add(image);
-            }
-        } catch (IOException e) {
-            if (!e.getMessage().contains("Bad endianness tag (not 0x4949 or 0x4d4d)") ) {
-                logger.error("TIF转JPG异常，文件路径：" + strPdfFile, e);
-            }
-            throw new Exception(e);
-        } finally {
-            if (document != null) {
-                document.close();
-            }
-            if (rafa != null) {
-                rafa.close();
-            }
-            if (outputStream != null) {
-                outputStream.close();
-            }
-        }
-        return strPdfFile;
-    }
-}
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